ADU Characteristics Separate living space with kitchen and bathroom facilities that is subordinate to a single family residence. Attached or detached from primary dwelling
Other Common Names Conversion Apartments Accessory Apartments In-Laws Quarters Granny Flats Carriage House ECHO (Elder Cottage Housing Opportunity)
History of ADUs More common in early 20 th century single-family housing Post WWII suburban growth emphasized single family development and prohibited ADUs Many unpermitted ADUs exist in U.S.
ADUs Have Been Utilized Even Longer
ADU Types and Designs
Interior ADUs Located within primary dwelling Converts existing space attics/basements.
ADUs by Addition Living spaces added on to primary dwelling. Located at side or rear of primary structure. Extra bedrooms or attached garage
Detached ADUs Structurally separate from primary dwelling. Constructed over existing accessory structures or Built as separate units from accessory and residential structures.
ADU Benefits for the Family Keep families together Increase monitoring capacity for caregivers Relieve financial burden of mortgage payments and maintenance expenses
ADU Community Benefits Increases housing options Increase affordable housing without public subsidy Dispersal of affordable housing Fosters community Smart growth goals
Basic Principles Dont over regulate Provide clear standards
Lebanon County Ordinances Conversion apartments 8 municipalities ECHO 3 municipalities Limited zones
Approaches for Lebanon County Zoning Permit by right Conversions Detached structures ECHO (Elder Cottage Housing Opportunity) Fewer special exemption/conditional permits Allow in broad range of zones
Monitoring Allow for inspections Annual Code compliance Change of use Change of ownership
Design Standards Setbacks Meet requirements of primary unit Lot size Conforms with primary SFR requirement Size of ADU Maximum of 800 sq. ft. or no more than 35% of living area Bedrooms 1 bedroom Kitchen & bathroom facility
Design Standards Parking One off-street parking space required Height Primary unit should be higher than ADU Appearance Consistent architectural character Entrance ADU primary entrance should not be accessed from main facade
Utilities Multiple utility meters allowed for: Water/Sewer Electric Septic System/Well require certificate of capacity
Occupancy Owner Lives in either primary unit or ADU Familial relationship with renter None required Renting allowed
VisitAbility A movement to change home construction practices so that virtually all new homes offer a few specific features making the home easier for mobility-impaired people to live in and visit. – Concrete Change.org
Disability Statistics Source: 2009 ACS Pennsylvania Age >5 years: 14.7% with a disability Age > 65 years: 51.4% with a disability Source: JAPA 2008 Nationwide A SF house built in 2000 has a 60% chance of being home to a disabled resident. And a 91% chance of having a disabled visitor.
3-Main Elements of VisitAbility Zero-Step Entrance Doors and Hallways: 32 min width At least ½ Bathroom on the Main Floor
Zero-Step Entrance Max Slope of the approach 1:12 /2
Inaccessible Sites Excessive Slope No Driveway Lack of Rear Access Masonbrosconstruction.com
32 Wide Doorways & Hallways
First-Floor Bathroom ty/bathroom.php4
History of Regulations 1992 Atlanta, GA: City Ordinance for publicly funded homes 2001 Vermont: Comprehensive Mandatory Law 2002 Pima County, AZ: All new Single-Family homes By ,000 visitable homes constructed Nationwide: 57 local and State laws enacted 2006 PA: Residential Visitability Design Tax Credit provides up to $2,500 credit to the property owner
Pennsylvanias Visitability Requirements- Voluntary No-Step Entrance with a threshold < ¾ Entry Doors min. width 32 Interior circulation 36 min. and Interior doorways 32 min. 1 bathroom with 30 x 48 min. clear floor space
VisitAbility Construction Costs 6 builders constructed 13 VisitAble houses in PA Site Work: $ Foundation: $ Garage: $ Framing: $ Interior: $ Bath: $ Total $1, Average Renovation Costs $6,000 - $8,000